.Change_div {
    position: fixed;
    width: 400px;
    height: 400px;
    background-color: #afd9ee;
    top: 50%;
    left: 50%;
    margin-left: -100px;
    margin-top: -100px;
    z-index: 10;
    display: none;
}

.butt {
    position: relative;
    left: 40px;
    right: 40px;
}
.line_hide {
    display: none;
}

p.Id {
    display: none;
}
